Mel gets surprising news from her doctor, but is not sure if the timing is right to share it with Joe; Ryder forms a study group with an attractive student and the class genius.

Mel has everything she needs for the perfect wedding after a close friend unexpectedly calls off her nuptials; Lennox helps Ryder construct an untruthful resume.

Joe is forced to make a quick decision when Mel drops a bombshell on him during their wedding; Lennox is caught between Marco and Zander; Ryder tries to find the perfect time to reveal news about his future.

Joe rushes home to tell Mel that he has feelings for her after their romantic night together in New Jersey. When he arrives, he's shocked to find Austin has shown up and wants to give his relationship with Mel another try. Deciding he can't stay and watch them fall in love all over again, Joe quits. Meanwhile, Lennox plots to get Joe and Mel together and Ryder gets sick from his own cooking.

Mel and Joe serve as chaperones at Ryder's school dance, then get kicked out of the event; Ryder changes his mind about breaking up with Stella.

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Mel insists on Joe "courting" her, but soon becomes frustrated at their lack of time together. Desperate to spend time with him, Mel sneaks over to his new digs, where he works as a live-in nanny, risking getting him fired—for a second time in as many weeks. Meanwhile, after witnessing a robbery, Ryder expects a hero’s welcome, but is horrified to discover that his interview with the local news has been turned into a viral video called "I Peed My Pants."

Mel adopts a dog despite knowing that Joe doesn't want one, then feels ignored when he forms a bond with the pooch; Ryder spends time with Stella's daughter.

Mel is completely on Joe’s side when he’s involved in a hit and run, until she discovers the other driver is her beloved hairdresser Calista. Meanwhile, Ryder tries to win Stella back with a grand romantic gesture during class — much to the frustration of her teacher.

Joe gets into hot water when he tries to help a recently divorced friend get back into the dating game; Zander's decision to move in with two female coeds does not sit well with Lennox.

It’s Mel and Joe’s wedding weekend, but things aren’t running as smoothly as they’d hoped. Before they can even make it down the aisle, Joe sees her in her dress, prompting Mel to trash it and get a new one. Plus, someone is injured during Joe’s bachelor party, Mel’s father is MIA, Marco’s making the moves on Lennox in front of Zander and someone accidentally confesses a hidden secret.

In failing health, Joe's grandmother Sofia begs him to come visit her one last time for her birthday, and to bring his beautiful wife Tiffany along. Since Joe never got around to telling "Nona" he and Tiffany got divorced, he's forced to beg Mel to pretend to be his trampy ex. Soon, Joe and Mel are on the road to Jersey with Lennox and Ryder tagging along.

Mel's sister Meredith comes home from prison on furlough to celebrate Christmas with the kids and Mel, and seems unruffled by Joe's obvious animosity towards her.

Mel gets a reluctant Joe to agree to couple’s therapy to work on their constant arguing. But she’s completely caught off guard when the therapist turns out to be Joe’s ex-girlfriend. Meanwhile, Lennox is conflicted about dating her Teaching Assistant after Zander shows up on her porch.

Mel wants to get rid of the ugly chair that Joe inherited from his late grandmother; Ryder pretends to be a college student to get close to one of Zander's roommates.

Mel considers breaking things off with Joe after he invites his family to move into the house; Zander attempts to win Lennox back from Marco; an online course earns Ryder an unusual credential.

Mel and Joe are invited to co-host a week of “Good Morning Toledo” which Mel thinks will help her earn voters. Their constant bickering on air garners rave reviews with the audience and they’re an instant hit. But when the secret to their popularity turns out to be talking a little too personally about Lennox and Ryder, they have to decide if fame or family is more important.

When Joe and Ryder sell Mel's old belongings, they inadvertently sell a very personal item of hers. Desperate to reclaim her property, Mel and Joe turn to crime to get it back. Meanwhile, Lennox's new pen pal is eager to meet her in person, after his release from prison.

Mel's wild father sends out an inappropriate photograph that could harm her run for the state senate; Ryder tries to come up with a winning idea for a business club.

Mel is less than thrilled when Joe’s mom drops by, but it’s Joe who hits the roof when his estranged brother Tony turns up unannounced. Meanwhile, Lennox insists on helping Ryder get into college even though he has plans of his own.

Mel and Joe have a fun game night with married couple Nate and Gillian, whom they hope to remain good friends with. But then Nate tells Joey a big secret…that Joe in turn tells Mel…who then tells Gillian… Meanwhile, after flunking out of art school, Zander shows up begging Ryder to let him secretly hide out in the basement without Lennox knowing.

Lennox moves out after Mel forbids her from dating her teaching assistant; Ryder is stuck at the Canadian border when he can't find his passport.

Mel joins an exercise boot camp to lose weight before an eight-course meal; Joe clashes with a celebrity chef; Lennox and Zander try to sell their Internet series.

Mel takes Joe to a work dinner. Upon meeting the press, Joe starts to spout his—and Mel’s—opinions on issues, which garners Mel bad press. Meanwhile, Ryder musters up the courage to ask his new Chem partner Stella out on a date.

Mel's sister, Meredith (Jaime Pressly), comes home from prison on furlough to celebrate Christmas with the kids and Mel, and seems unruffled by Joe's obvious animosity towards her. Note: this episode is a Christmas special and was only put in after EP15 because it was near Christmas. Episode 15 ends on a cliff hanger and is continued in episode 17.